Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Mary Dean, P.T.

Q: What is the NPI number for Mary Dean?

The National Provider Identifier (NPI) for Mary Dean is 1275661738, a Type 1 (individual) record in the CMS NPPES registry.

Physical Therapist in Oak Lawn, IL · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1275661738

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Registry record

Entity type Individual (Type 1)

Name Ms. Mary Dean

Credential P.T.

Sex Female

Practice address 4440 W 95th St, Oak Lawn, IL, 60453

Phone (708) 684-3187

Fax (708) 684-4717

Enumeration date Feb 28, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers Primary

PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation. About the PT credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Mary Dean?

The National Provider Identifier (NPI) for Mary Dean is 1275661738, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary Dean practice?

The practice location on file with NPPES is in Oak Lawn, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.